Initial Drupal 11 with DDEV setup

web/core/tests/Drupal/FunctionalTests/UserHelpersTest.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\FunctionalTests;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests User related helper methods of BrowserTestBase.
+ *
+ * @group browsertestbase
+ */
+class UserHelpersTest extends BrowserTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $defaultTheme = 'stark';
+
+  /**
+   * Tests BrowserTestBase::drupalUserIsLoggedIn().
+   */
+  public function testDrupalUserIsLoggedIn(): void {
+    $first_user = $this->drupalCreateUser();
+    $second_user = $this->drupalCreateUser();
+
+    // After logging in, the first user should be logged in, the second not.
+    $this->drupalLogin($first_user);
+    $this->assertTrue($this->drupalUserIsLoggedIn($first_user));
+    $this->assertFalse($this->drupalUserIsLoggedIn($second_user));
+
+    // Verify that logged in state is retained across pages.
+    $this->drupalGet('');
+    $this->assertTrue($this->drupalUserIsLoggedIn($first_user));
+    $this->assertFalse($this->drupalUserIsLoggedIn($second_user));
+
+    // After logging out, both users should be logged out.
+    $this->drupalLogout();
+    $this->assertFalse($this->drupalUserIsLoggedIn($first_user));
+    $this->assertFalse($this->drupalUserIsLoggedIn($second_user));
+
+    // After logging back in, the second user should still be logged out.
+    $this->drupalLogin($first_user);
+    $this->assertTrue($this->drupalUserIsLoggedIn($first_user));
+    $this->assertFalse($this->drupalUserIsLoggedIn($second_user));
+
+    // After logging in the second user, the first one should be logged out.
+    $this->drupalLogin($second_user);
+    $this->assertTrue($this->drupalUserIsLoggedIn($second_user));
+    $this->assertFalse($this->drupalUserIsLoggedIn($first_user));
+
+    // After logging out, both should be logged out.
+    $this->drupalLogout();
+    $this->assertFalse($this->drupalUserIsLoggedIn($first_user));
+    $this->assertFalse($this->drupalUserIsLoggedIn($second_user));
+  }
+
+}